public void ShouldCallExceptionHandlerOnTimeoutException()
{
var waitStrategy = new TimeoutBlockingWaitStrategy(TimeSpan.FromMilliseconds(1));
var ringBuffer = new ValueRingBuffer <StubValueEvent>(() => new StubValueEvent(-1), new SingleProducerSequencer(16, waitStrategy));
var sequenceBarrier = ringBuffer.NewBarrier();
var exceptionSignal = new CountdownEvent(1);
var exceptionHandler = new TestValueExceptionHandler <StubValueEvent>(x => exceptionSignal.Signal());
var eventHandler = new TestValueEventHandler <StubValueEvent> {
OnTimeoutAction = TestException.ThrowOnce()
};
var eventProcessor = CreateEventProcessor(ringBuffer, sequenceBarrier, eventHandler);
ringBuffer.AddGatingSequences(eventProcessor.Sequence);
eventProcessor.SetExceptionHandler(exceptionHandler);
var task = eventProcessor.Start();
Assert.IsTrue(exceptionSignal.Wait(TimeSpan.FromSeconds(2)));
Assert.AreEqual(0, exceptionHandler.EventExceptionCount);
Assert.AreEqual(1, exceptionHandler.TimeoutExceptionCount);
eventProcessor.Halt();
Assert.IsTrue(task.Wait(TimeSpan.FromSeconds(2)));
}
public void ShouldCallExceptionHandlerOnMultipleUncaughtException()
{
var processingSignal = new CountdownEvent(5);
var exceptionHandler = new TestValueExceptionHandler <StubValueEvent>(x => processingSignal.Signal());
var eventHandler = new TestValueEventHandler <StubValueEvent>(x =>
{
if (x.Value == 1)
{
throw new Exception();
}
processingSignal.Signal();
});
var eventProcessor = CreateEventProcessor(_ringBuffer, _sequenceBarrier, eventHandler);
_ringBuffer.AddGatingSequences(eventProcessor.Sequence);
eventProcessor.SetExceptionHandler(exceptionHandler);
var task = eventProcessor.Start();
_ringBuffer.PublishStubEvent(0);
_ringBuffer.PublishStubEvent(1);
_ringBuffer.PublishStubEvent(0);
_ringBuffer.PublishStubEvent(1);
_ringBuffer.PublishStubEvent(0);
Assert.IsTrue(processingSignal.Wait(TimeSpan.FromSeconds(2)));
Assert.AreEqual(2, exceptionHandler.EventExceptionCount);
Assert.AreEqual(0, exceptionHandler.TimeoutExceptionCount);
eventProcessor.Halt();
Assert.IsTrue(task.Wait(TimeSpan.FromSeconds(2)));
}
public void ShouldTrackRemainingCapacity()
{
long[] remainingCapacity = { -1 };
//Given
var eventHandler = new TestValueEventHandler <TestValueEvent>(e => remainingCapacity[0] = _disruptor.RingBuffer.GetRemainingCapacity());
_disruptor.HandleEventsWith(eventHandler);
//When
PublishEvent();
//Then
while (remainingCapacity[0] == -1)
{
Thread.Sleep(100);
}
Assert.That(remainingCapacity[0], Is.EqualTo(_ringBuffer.BufferSize - 1L));
Assert.That(_disruptor.RingBuffer.GetRemainingCapacity(), Is.EqualTo(_ringBuffer.BufferSize - 0L));
}
public void ShouldCallMethodsInLifecycleOrderForBatch()
{
var eventSignal = new CountdownEvent(3);
var eventHandler = new TestValueEventHandler <StubValueEvent>(x => eventSignal.Signal());
var eventProcessor = CreateEventProcessor(_ringBuffer, _sequenceBarrier, eventHandler);
_ringBuffer.AddGatingSequences(eventProcessor.Sequence);
_ringBuffer.PublishStubEvent(0);
_ringBuffer.PublishStubEvent(0);
_ringBuffer.PublishStubEvent(0);
var task = eventProcessor.Start();
Assert.IsTrue(eventSignal.Wait(TimeSpan.FromSeconds(2)));
eventProcessor.Halt();
Assert.IsTrue(task.Wait(TimeSpan.FromSeconds(2)));
}
public void ShouldCallOnTimeout()
{
var waitStrategy = new TimeoutBlockingWaitStrategy(TimeSpan.FromMilliseconds(1));
var ringBuffer = new ValueRingBuffer <StubValueEvent>(() => new StubValueEvent(-1), new SingleProducerSequencer(16, waitStrategy));
var sequenceBarrier = ringBuffer.NewBarrier();
var onTimeoutSignal = new ManualResetEvent(false);
var eventHandler = new TestValueEventHandler <StubValueEvent> {
OnTimeoutAction = () => onTimeoutSignal.Set()
};
var eventProcessor = CreateEventProcessor(ringBuffer, sequenceBarrier, eventHandler);
ringBuffer.AddGatingSequences(eventProcessor.Sequence);
var task = eventProcessor.Start();
Assert.IsTrue(onTimeoutSignal.WaitOne(TimeSpan.FromSeconds(2)));
eventProcessor.Halt();
Assert.IsTrue(task.Wait(TimeSpan.FromSeconds(2)));
}